77840750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{557}}^1$

素因数の和:630

約数の個数: 64

約数和(自身を含む): 160864704

約数和(自身を除く): 83023954

約数列:

[1, 2, 5, 10, 13, 25, 26, 43, 50, 65, 86, 125, 130, 215, 250, 325, 430, 557, 559, 650, 1075, 1114, 1118, 1625, 2150, 2785, 2795, 3250, 5375, 5570, 5590, 7241, 10750, 13925, 13975, 14482, 23951, 27850, 27950, 36205, 47902, 69625, 69875, 72410, 119755, 139250, 139750, 181025, 239510, 311363, 362050, 598775, 622726, 905125, 1197550, 1556815, 1810250, 2993875, 3113630, 5987750, 7784075, 15568150, 38920375, 77840750]

約数ペア:

[(1, 77840750), (2, 38920375), (5, 15568150), (10, 7784075), (13, 5987750), (25, 3113630), (26, 2993875), (43, 1810250), (50, 1556815), (65, 1197550), (86, 905125), (125, 622726), (130, 598775), (215, 362050), (250, 311363), (325, 239510), (430, 181025), (557, 139750), (559, 139250), (650, 119755), (1075, 72410), (1114, 69875), (1118, 69625), (1625, 47902), (2150, 36205), (2785, 27950), (2795, 27850), (3250, 23951), (5375, 14482), (5570, 13975), (5590, 13925), (7241, 10750)]